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Finding the Fourth Proportional to 112,937.98, 169,617.58 and 99,433.92

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Solution

The fourth proportional to 112,937.98, 169,617.58 and 99,433.92 is: 149,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,937.98 : 169,617.58 = 99,433.92 : x
  2. Step 2: Convert to fraction form
    112,937.98/169,617.58 = 99,433.92/x
  3. Step 3: Cross multiply
    112,937.98x = 169,617.58 × 99,433.92
  4. Step 4: Simplify right side
    112,937.98x = 16,865,740,880.31
  5. Step 5: Solve for x
    x = 16,865,740,880.31/112,937.98
  6. Step 6: Final answer
    x = 149,336.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.